VI
LIST OF CONTRIBUTORS
COBLKHTB, W. \V., Ph. IX, Bureau c.f Standard*, U.H.A. % lufm-red TninHinitwum and Refraction Data. lliuliaticm, IK'U'rminatum of (JoiiHtanls of.
CONUAUY, A. K, I'ml'muir of Optical iKwign, Imperial College e, Opl.ius of the.
ii-j, MWH A. HARHAUA, M.A.
I/iui«*ft, Ti'Btitig (if Hittipk. I'(»lnri«t«l Light.
DARWIN, 0. a, M.A., F.U.H. . Quaiituin Theory.
JI, JAMKM WKIU, ixSi1,., K.Inht.P.
itogniph, Tin1. iml I'urtH, The Working of.
UA«nt,K, CUAM. W., M.Se.Tt'ch,, (XH.I-;. (Mililury) 1'hutographiii Appuwtun.
x, K. S., I'h.D., llnrwui tif SuuulanU, U.S.A.
J., A.lUJ.Hi!., I). 1,0., K.I nut I'. tiou (Jratinp Theory.
EytS Tin-.
A. II. I).
,r. vv. K.
K. H. tl,
1i
m
Hisjriuor, K. O., Mnjur UK. (tvt,), K.H.A.S., UivitKtl {"in-U-s (with (!. W. W
HuwyZng aiul Surveying tiiHtr Th«'<Ki«ilitr, Tin-.
HlIA, A, V., Hr.I)., F.it.H. .
, Thf .Mirrt»r.
4¥E, (!. W. ('., O.B.R, M.A., D.HP. .
t,P., Awocintc Iimt.C.K. . K. «». H.
A. V. II.
(i. W. (', K,
AMII, II, IvSi-,, K.U.S.
i« VjlinitSoiiH uf,
II,